`pyrestoolbox`
==============
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--
A collection of Reservoir Engineering Utilities
\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\--
This set of functions focuses on those that the author uses often while
crafting programming solutions. These are the scripts that are often
copy/pasted from previous work - sometimes slightly modified - resulting
in a trail of slightly different versions over the years. Some attempt
has been made here to make this implementation flexible enough such that
it can be relied on as-is going forward.
Note: Version 2.x now refactors functions into different modules, requiring seperate imports
Includes functions to perform simple calculations including;
- Inflow for oil and gas
- PVT Calculations for oil
- PVT calculation for gas
- Return critical parameters for typical components
- Creation of Black Oil Table information
- Creation of layered permeability distribution consistent with a
Lorenz heterogeneity factor
- Extract problem cells information from Intesect (IX) print files
- Generation of AQUTAB include file influence functions for use in
ECLIPSE
- Creation of Corey and LET relative permeability tables in Eclipse
format
- Calculation of Methane and CO2 saturated brine properties
Apologies in advance that it is only in oilfield
units with no current plans to add universal multi-unit support.
Changelist in 2.1.3:
- Updated viscosity parameters for BUR method.
Changelist in 2.1.2:
- Fixed bug in implementation of Velarde, Blasingame & McCain Oil Rs calculation.
Changelist in 2.1.0:
- Fixed variable Typing issue that caused problems with Python 3.9 and older.
- Added reference to the Burgoyne ('BUR') methods for gas Z-Factor and critical property correlation
Changelist in 2.0.0:
- Modified the new Z-Factor method, 'BUR', now a tuned five component Peng Robinson method that is fast and stable and able to handle up to 100% of CO2, H2S, N2 or H2 as well as natural gas. Viscosities are calculated with a tuned LBC model.
- Refactored all code to split into modules for ease of future maintenance
Changelist in 1.4.4:
- Added in new Z-Factor method, 'BUR', which is a tuned single component Peng Robinson method that is fast and stable
Changelist in 1.4.2:
- Corrected CO2 solubility calculations when two roots in CO2 liquid phase
Changelist in 1.4.1:
- Added calculation of Ezrokhi coefficients for brine density and viscosity with dissolved CO2
Changelist in 1.4.0:
- Introduced CO2 saturated brine calculations using Spycher & Pruess modified SRK EOS method
- Rectified an error introduced in Gas Z-Factor calculations due to errant indentation
Changelist in 1.3.9:
- Tweaks to speed DAK and Hall & Yarborough Z-Factor calculations
Changelist in 1.3.8:
- Fix bug in Hall & Yarborough Z-Factor calculation
Changelist in 1.3.5:
- Fix bug in ECL deck zip/check recursion
Changelist in 1.3.4:
- Extend ECL deck zip/check function to handle IX formatted decks, and support zipping multiple decks at once.
Changelist in 1.3.2:
- Added robust Rachford Rice solver in Simulation Helpers
- Moved relative permeability functions and simulation helpers to seperate .simtools module
Changelist in 1.2.0
- Added Component Critical Property Library
Changelist in v1.1.4:
- Attempting to fix reported issue with required dependencies not installing correctly
Changelist in v1.1:
- Fix API to SG calculation (141.4 vs 141.5)
- Added lower limit to first rho_po estimate for Oil Density with McCain method to avoid negative values with high Rs
- Added oil_sg and oil_api functions
- Modified HY Z-Factor solve algorithm to improve robustness
- Modified DAK Z-Factor solve algorithm to improve robustness
- Added Gas Z-Factor correlation from Wang, Ye & Wu (2021)
- Removed 'LIN' Z-Factor method due to significant errors above 12,000 psi. Use WYW method instead if speed needed.
Head to the project site for more information & documentation;
https://github.com/mwburgoyne/pyResToolbox
Start by importing the package;
from pyrestoolbox import pyrestoolbox as rtb
Function List includes
-------------
- Gas Flow Rate Radial
- Gas Flow Rate Linear
- Oil Flow Rate Radial
- Oil Flow Rate Linear
----------------------------
- Gas Tc & Pc Calculation
- Gas Z-Factor
Calculation
- Gas Viscosity
- Gas Viscosity \* Z
- Gas Compressibility
- Gas Formation Volume Factor
- Gas Density
- Gas Water of Condensation
- Convert P/Z to P
- Convert Gas Gradient to SG
- Delta Pseudopressure
- Gas Condensate FWS SG
----------------------------
- Component Critical Properties Library
----------------------------
- Oil Density from MW
- Oil Critical Properties with Twu
- Incrememtal GOR post Separation
- Oil Bubble Point Pressure
- Oil GOR at Pb
- Oil GOR at P
- Oil Compressibility
- Oil Density
- Oil Formation Volume Factor
- Oil Viscosity
- Generate Black Oil Table data
- Estimate soln gas SG from oil
- Estimate SG of gas post separator
- Calculate weighted average surface gas SG
- Oil API to SG
- Oil SG to API
----------------------------
- Calculate suite of methane saturated brine properties
- Calculate suite of CO2 saturated brine properties
----------------------------
- Lorenz coefficient from Beta value
- Lorenz coefficient from flow fraction
- Lorenz coefficient to flow fraction
- Lorenz coefficient to permeability array
----------------------------
- Summarize IX convergence errors from PRT file
- Create Aquifer Influence Functions
- Solve Rachford Rice for user specified feed Zis and Ki's
- Create sets of rel perm tables
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Some attempt\r\nhas been made here to make this implementation flexible enough such that\r\nit can be relied on as-is going forward.\r\n\r\nNote: Version 2.x now refactors functions into different modules, requiring seperate imports\r\n\r\nIncludes functions to perform simple calculations including;\r\n\r\n- Inflow for oil and gas\r\n- PVT Calculations for oil\r\n- PVT calculation for gas\r\n- Return critical parameters for typical components\r\n- Creation of Black Oil Table information\r\n- Creation of layered permeability distribution consistent with a\r\n Lorenz heterogeneity factor\r\n- Extract problem cells information from Intesect (IX) print files\r\n- Generation of AQUTAB include file influence functions for use in\r\n ECLIPSE\r\n- Creation of Corey and LET relative permeability tables in Eclipse\r\n format\r\n- Calculation of Methane and CO2 saturated brine properties\r\n\r\nApologies in advance that it is only in oilfield\r\nunits with no current plans to add universal multi-unit support.\r\n\r\nChangelist in 2.1.3:\r\n- Updated viscosity parameters for BUR method.\r\n\r\nChangelist in 2.1.2:\r\n- Fixed bug in implementation of Velarde, Blasingame & McCain Oil Rs calculation.\r\n\r\nChangelist in 2.1.0:\r\n- Fixed variable Typing issue that caused problems with Python 3.9 and older.\r\n- Added reference to the Burgoyne ('BUR') methods for gas Z-Factor and critical property correlation\r\n\r\nChangelist in 2.0.0:\r\n- Modified the new Z-Factor method, 'BUR', now a tuned five component Peng Robinson method that is fast and stable and able to handle up to 100% of CO2, H2S, N2 or H2 as well as natural gas. 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